Chief among the changes are long-overdue characters respecs, improvements to windowed mode, new Hell challenges, and tweaks to several much-hated monsters.

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The much-requested larger stash was in place at one point during development, but has been removed due to concerns that Battle.net "could potentially not handle the increased stash size gracefully under heavy load." The full test patch notes follow.

A new Mystery has been revealed!

Players of Hell Difficulty Realm games are hereby warned once again, that a series of new and challenging tests await you! The answer lies within Diablo's Bosses, which span across the world from the Den of Evil to the Throne of Destruction...

Major Bugs

Fixed an item dupe bug.

Video improvements for Intel Mac machines with OS 10.5 or greater.

Minor Bugs

Uber Mephisto now checks for both Uber Baal and Uber Diablo to be killed before spawning summoned minions (Before he would only check for Uber Baal).

The game will no longer stop and then restart the game music after the window loses and then regains focus.

Fixed an issue where the game window would minimize when running in windowed mode when it lost focus.

Fixed an issue where the game window wouldn't center properly when it was created.

Specific changes/improvements

Respecialization is now possible! Completing the 'Den of Evil' quest will now additionally reward 1 free respec which can be saved. Players who have already completed this quest should receive 1 free respec in Hell difficulty.

Increased the drop rate of high runes.

Support for blit scaling in windowed mode. The game can now be maximized to the largest 4:3 resolution supported (hooray widescreen users).

Some rare drop items now have an orange color. i.e. Runes and items required for Uber Tristam.

Modified the gold bank limit to be a flat cap not bound by level.

Nightmare/Hell WilloWisps champions/uniques have had their damage greatly reduced.